Monthly Historical AveragesFort Casey, WA
Average Temperature
High
7°
Feels 5
Low
3°
Feels 0
Average Precipitation
17 Days
112.3mm
2.9cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, December 27, 2025
Day
5°Feels 3
Wind
20 km/h NW
Gust
30 km/h
Humidity
65%
P.O.P
20%
Night
2°Feels -2
Wind
13 km/h SE
Gust
20 km/h
Humidity
93%
P.O.P
30%
Historical AveragesDec 27
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity